Ponytail extension



FIG. 1 shows a perspective view of the ponytail extension.

FIG. 2 shows a right side view thereof.

FIG. 3 shows a left side view thereof.

FIG. 4 shows a front view thereof.

FIG. 5 shows a rear view thereof.

FIG. 6 shows a top plan view thereof; and,

FIG. 7 shows a bottom plan view thereof.

The broken lines shown in the drawings depict portions of the ponytailextension that form no part of the claimed design.

CLAIM The ornamental design for a ponytail extension, as shown anddescribed.